<?xml version="1.0" encoding="utf-8"?>
<!-- Created with Liquid XML Studio 1.0.8.0 (http://www.liquid-technologies.com) -->
<xsd:schema xmlns="http://ns.iab.net" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://ns.iab.net" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:include schemaLocation="IAB_MessageCommon.xsd" />
  <xsd:include schemaLocation="IAB_ContractCommon.xsd" />
  <xsd:include schemaLocation="IAB_OrderCommon.xsd" />
  <xsd:annotation>
    <xsd:documentation>
			"Copyright Interactive Advertising Bureau. All Rights Reserved. http://www.iab.net/ebiz"
			Name: IAB_ProposalCommon.xsd
			Date this version: 2008-09-30
			Author(s): Lon Pilot and IAB Ad Ops Council E-Business Working Group
			
			Change History:
			NONE
		</xsd:documentation>
  </xsd:annotation>
  <xsd:element name="Proposal" type="ProposalType" />
  <xsd:complexType name="ProposalType">
    <xsd:complexContent mixed="false">
      <xsd:extension base="IABMessageBaseType">
        <xsd:sequence>
          <xsd:element name="ExpirationDate" type="IABDateTimeType" />
          <xsd:element maxOccurs="unbounded" name="ProposalDetails" type="OrderDetailsType" />
          <xsd:element name="ProposedContract" type="ContractDetailsType" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
</xsd:schema>